norgestrel

[ nawr-jes-truh l ]
/ nɔrˈdʒɛs trəl /

noun Pharmacology.

a synthetic progestin, C21H28O2, used in some oral contraceptives either alone or in combination with an estrogen.

Origin of norgestrel

1965–70; nor- + (pro)gest(ogen) + -rel, of uncertain derivation